<!DOCTYPE html>
<html>
<head>
<style>
div { width: 100px;
height: 100px;
background: red;
position: relative;
animation: mymove 2s infinite;
}
@keyframes mymove { from {left: 0px;} to {left: 200px;}}
</style>
</head>
<body>
<h1>HTML Style 对象</h1>
<h2>animationTimingFunction 属性</h2>
<p>点击“试一试”按钮可改变动画的 timing-function：</p>
<button onclick="myFunction()">试一试</button>
<script>
function myFunction() { document.getElementById("myDIV").style.animationTimingFunction = "linear";}
</script>
<div id="myDIV"></div>
</body>
</html>